ULRE/inc/hgl/graph/mtl/Material3DCreateConfig.h

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#pragma once
#include<hgl/graph/mtl/MaterialConfig.h>
#include<hgl/graph/CoordinateSystem.h>
#include<hgl/graph/VertexAttrib.h>
STD_MTL_NAMESPACE_BEGIN
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enum class LightingModel:uint8
{
Unlit,
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Gizmo, ///<Gizmo专用(Blinnphong的特定版本内置假的太阳光方向、高光系数等使其不需要外部UBO传入)
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Blinnphong, ///<Blinnphong光照模型
FakePBR, ///<假PBR(使用Blinnphong+HalfLambert模拟)
MicroPBR, ///<微型PBR(只有BaseColor/Normal/Metallic/Roughness四个基础数据的PBR)
WebPBR, ///<Khronos为WebGL提供的PBR
FilamentPBR, ///<Filament引擎所使用的PBR
AMDPBR, ///<AMD Caulrdon框架所使用的PBR
BlenderPBR, ///<Blender所使用的PBR
ENUM_CLASS_RANGE(Unlit,BlenderPBR)
};
constexpr const char *LightingModelName[]=
{
"Unlit",
"Gizmo",
"Blinnphong",
"FakePBR",
"MicroPBR",
"WebPBR",
"FilamentPBR",
"AMDPBR",
"BlenderPBR"
};
/**
*
*/
enum class SkyLightSource:uint8
{
PureColor, ///<纯色
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Simplest, ///<极简(一行代码)
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Cubemap, ///<立方体贴图
IBL, ///<IBL立方体贴图
ENUM_CLASS_RANGE(PureColor,IBL)
};
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struct Material3DCreateConfig:public MaterialCreateConfig
{
bool camera; ///<包含摄像机矩阵信息
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bool local_to_world; ///<包含LocalToWorld矩阵
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VAType position_format; ///<position格式
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// bool reverse_depth; ///<使用反向深度
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public:
Material3DCreateConfig(const GPUDeviceAttribute *da,const AnsiString &name,const Prim &p):MaterialCreateConfig(da,name,p)
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{
rt_output.color=1; //输出一个颜色
rt_output.depth=true; //不输出深度
rt_output.stencil=false; //不输出stencil
camera=true;
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local_to_world=false;
position_format=VAT_VEC3;
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// reverse_depth=false;
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}
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int Comp(const Material3DCreateConfig &cfg)const
{
int off=MaterialCreateConfig::Comp(cfg);
if(off)return off;
off=camera-cfg.camera;
if(off)return off;
off=local_to_world-cfg.local_to_world;
if(off)return off;
off=position_format.Comp(cfg.position_format);
return off;
}
CompOperator(const Material3DCreateConfig &,Comp)
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};//struct Material3DCreateConfig:public MaterialCreateConfig
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MaterialCreateInfo *CreateVertexColor3D(const Material3DCreateConfig *);
MaterialCreateInfo *CreateVertexLuminance3D(const Material3DCreateConfig *);
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MaterialCreateInfo *CreateMaterialGizmo3D(const Material3DCreateConfig *cfg);
struct BillboardMaterialCreateConfig:public Material3DCreateConfig
{
bool fixed_size; ///<固定大小(指像素尺寸)
Vector2u pixel_size; ///<像素尺寸
public:
using Material3DCreateConfig::Material3DCreateConfig;
};
MaterialCreateInfo *CreateBillboard2D(mtl::BillboardMaterialCreateConfig *);
/**
*
* @param mtl_name
* @param cfg
* @return
*/
MaterialCreateInfo *LoadMaterialFromFile(const AnsiString &name,Material3DCreateConfig *cfg);
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STD_MTL_NAMESPACE_END